990918-repack

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@531 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/eval.c b/eval.c
index e207b3713..8d69936d0 100644
--- a/eval.c
+++ b/eval.c
@@ -3592,6 +3592,8 @@ rb_f_missing(argc, argv, obj)
     char *file = ruby_sourcefile;
     int   line = ruby_sourceline;
 
+    if (argc == 0) rb_raise(rb_eArgError, "no id given");
+
     id = FIX2INT(argv[0]);
     argc--; argv++;